MixMail/libs/ModelFactory.php

<?php

namespace Libs;

use Clue\React\SQLite\Factory as SqliteFactory;
use Clue\React\SQLite\DatabaseInterface;

class ModelFactory
{
    private static ?DatabaseInterface $adb = null;

    private static function getDbPath(): string
    {
        // Prefer env var if present, else default to project-root/mail.db
        $dbFile = $_ENV['DB_FILE'] ?? 'mail.db';
        if ($dbFile && $dbFile[0] === '/') {
            return $dbFile;
        }
        return dirname(__DIR__) . DIRECTORY_SEPARATOR . $dbFile;
    }

    public static function adb(): DatabaseInterface
    {
        if (!self::$adb) {
            $factory = new SqliteFactory();
            // For clue/reactphp-sqlite ^1.7, pass filename (not DSN) and options
            self::$adb = $factory->openLazy(self::getDbPath(), null, ['idle' => 300]);
        }
        return self::$adb;
    }
}